I will look to disconnect the switch at the seat.
We are in the habit of belting up. It's the law in New York. This 'No-Start' feature is a pain when trouble-shooting something.

'75 CJ5 with all glass body and a 350 Chevy SB
'85 Chevy Stepside (the wife's)
'89 Volvo
All 100% maintained by me.
'70 valiant DD for my son
'74 Dart Swinger..Latest endeavor
http://home.lyse.net/brox/TonyPage4.html